Circular saw



FIG. 1 is a perspective view of circular saw showing my new design;

FIG. 2 is front elevation view thererof;

FIG. 3 is rear elevation view thereof;

FIG. 4 is left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for circular saw, as shown and described. 